[Scons-users] Tool specification `exists()` not called?

[Gary Oberbrunner]

Oops, sorry about that, pressed Send too quickly.


On Thu, Oct 10, 2013 at 11:46 AM, Gary Oberbrunner <garyo at oberbrunner.com>wrote:


>

>

>

> On Thu, Oct 10, 2013 at 11:01 AM, Márcio Faustino <

> marciombfaustino at gmail.com> wrote:

>

>> ...

>> Actually I just noticed that although it doesn't get called, SCons still

>> checks the module defines an "exists". If I remove it:

>>

>>  ...

>>   File

>> "c:\python27\lib\site-packages\scons-2.3.0-py2.7.egg\scons-2.3.0\SCons\Tool\__init__.py",

>> line 99:

>>     self.exists = module.exists

>>

>>

Yes, there are lots of cobwebs in the tool code.  A simple exists() called
the way it is now is almost useless in most situations, since it's called
(if at all) before anything has had a chance to configure the tool, select
compiler version, or anything.  The new tool subsystem will have to revamp
the interface a tool presents to the rest of the system pretty
substantially.

-- 
Gary
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